rsync does that, too. Plus it's open source and has a nice, easy-to-automate command line interface. You can even use it to securely backup to another machine over the network (via ssh).The curent version of Carbon Copy Cloner has this feature, too.If you want to clone frequently, cough up the $28 for SuperDuper. It has a 'smart update' feature that only copies changed files after the initial clone, so subsequent clone jobs finish much more quickly. You can also schedule jobs with the paid version.
JoeBackward writes: "Merck has this useful anti-AIDS drug Elfavirenz, and Brazil has lots of poor people with AIDS. So, after trying really hard to get Merck to cooperate on pricing, the Brazilian government has decided to take a "compulsory license" to the patent, and get the drug from a factory in India. This "compulsory license" is basically a way to take the patent by eminent domain. Check out this story from the Reuters news agency."
Lisandro writes: "BBC News reports that Brazil will become the first country to to break patents on an AIDS treatment drug. The drug, called Nelfinavir, is patented by Roche, and the move aims to reduce its' cost as much as 40% by allowing generic versions of the drug to be produced by third parties."